ISO2531 ductile cast iron DI universal coupling for PVC pipes

Quick Details
Place of Origin:
Brand Name:
Ductile iron
Standard or Nonstandard:
Flexible or Rigid:
Applicable Industries:
Product name:
ISO2531 ductile cast iron DI universal coupling for PVC pipes
Industrial Equipment
Wooden Box
Body Material:
Cast Iron/GG25
Supply Ability
Supply Ability:
6000 Ton/Tons per Month Qingdao port

Packaging & Delivery
Packaging Details
Inner packing:plastic film,Outer packing:export case
Qingdao port
Lead Time
Quantity(Sets) 1 – 2 >2 Est

ISO2531 ductile cast iron DI universal coupling for PVC pipes

Product Description

The gland type loose sleeve expansion joint is composed of loose sleeve telescopic joint and two spacing short pipes. It is mainly used to absorb the axial displacement and loose pipe connection under axial pressure and thrust in the allowable displacement range.

The advantages of the cover connection:

1. large scale expansion

2. installation is simple and convenient

3. long service life

4. convenient maintenance

Technical paramete
DN RANGE(MM) L(MM) D(MM) BOLT SIZE QTY 50 59-72 102 165 M12*180 2 65 72-85 102 185 M12*180 2 80 88-103 102 185 M12*180 4 100 109-128 102 218 M12*180 4 125 132-146 102 250 M12*180 4 150 159-182 102 272 M12*200 4 200 218-235 130 335 M12*220 4 250 272-289 130 405 M12*220 6 300 315-332 130 460 M12*220 6 350 340-360 150 455 M12*250 6 400 400-429 150 580 M12*250 8 450 455-472 150 665 M12*260 8 500 500-532 150 690 M12*260 10 550 555-572 150 715 M12*260 10 600 600-630 150 790 M12*260 10

The above drawings and parameters are for reference only,pls consult us for exact datas.

Scope Of Application

Universal coupling mainly used for connecting PVC pipes,ductile iron pipes etc.


We are a professional manufacturer with ISO certificate, certificate of origin, business license and so on.

Gongyi Runda Pipeline Manufacturing Co.,Ltd provides products rangs from expansion joint,rubber expansion joint,metal expansion joint,bellow expansion joint,stainless steel bellows,dismantling joint,flange adaptor,universal coupling,sleeve compensator.
Customers & Teams

Company mission:Providing high quality pipe fittings for global usersCompany vision:Creating global famous brandsin the pipe fitting industry,Create a modern enterprise with a dream ,a culture,love and righteousCompany values:Customer first,quality supremacy,integrity,perfection,unity,struggle

Packaging & Shipping

About our packing:1. Plastic film wrap2. Bubble film to prevent collision3. Wooden box packaging (1.1mm*1.1mm*1.1mm)


Q : Are you trading company or manufacturer?A: We are manufacturer of expansion joint,rubber joint, bellow, dismantling joint, dresser coupling, flange adapter and flange with more than 12-year experience.Q: Do you have products catalog?A: Yes, we have. Please tell me your email or instant messager, we will send our catalog.Q: Can you provide drawings and technical data?A: Yes, our professional technical department will design and provide drawings and techical data.Q: Do you provide samples? Is it free or charged?A: Yes, we can offer sample free but shipping charges covered by customer.Q: Have your products been exported?A: Yes, they have been exported to USA, Canada, Australia, Russia,Chile,Panama,Nicaragua, UAE, Saudi Arabia,Egypt,Sri Lanka, Nigeria, Iran,Vietnam,

Indonisia,Singapore,Greece,Netherland,Georgia,Romania,Ireland, India, Thailand, Pakistan, Philippines, Singapore, HK,Taiwan…Q: How long is your delivery time?A: Depends on QTY, but normally no more than 30 working days.Q: Can the products be manufactuered by customer’s requirement?A: Yes, the specifications stated above are the standard ones, we can design and manufacture as requirement.Q: Visting factory is allowed or not?A: Yes, we welcome customers visiting our factory. Our factory is located Gongyi city,Henan province,China mainland.